英语人教版八年级下册Unit7 SectionA 1a-2d.ppt

Unit7,Unit7Whatsthehighestmountainintheworld?,SectionA11a2d,Doyouknowtheseplaces?,Qomolangmarunsalongtheborder(边境)betweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its_metershigh,thehighestmountainintheworld.Its_kilometerslong.,Qomolangma,8844.43,26,TheNileis_riverintheworld.Itsmorethan_kilometerslong.Itrunsthrough9countries.ItrunsintotheMediterraneanSea(地中海)intheend.,theNile,thelongest,6670,TheCaspianSeais_intheworld.ItliesintheborderbetweenAsiaandEurope.,theCaspianSea,thebiggestlake,TheSaharais_intheworld.ItislocatedinthenorthernAfrica.Climate(气候)conditionsareverybad.,theSahara,thebiggestdesert,TheYangtzeRiveris_riverintheworld,_Asianrivers.Its6211.31kilometerslong.Itflowsthrough11provincesandrunsintotheEastSeainShanghaifinally.,theYangtzeRiver,thethirdlongest,thefirstlongest,Matchthefactsyouknow.,8,844.43metershigh.,英语表示“有多长（宽，高）”时，,数词和数量单位放在表示长宽高的形容词前作状语。,这堵墙有三米高。,Thewallis3metreshigh.,1a,1c,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Talkaboutthesepicturesinpairs.,A:Whichisthehighestmountainintheworld?B:ItsQomolangma.,Practice,Whatisthein?,A:HowhighisQomolangma?B:Its8,844.43metershigh.,Howdeep/big/longis?,Listenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,1b,Listenandnumberthefacts(1-4)intheorderyouhearthem.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,4,2,1,3,2a,Listenagainandfillintheblankswiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,4,2,1,3,6,300,5,464,5,000,300,2b,Makeconversationsusingtheinformationin2a.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthananycountry.,Practice,2c,A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!,TheGreatWall,Readtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,BadalingpartoftheMingGreatWall.,2d,1.Chinahasthebiggestpopulationintheworld.中国是世界上人口最多的国家。,Languagepoints,population,集合名词,作主语时，谓语动词通常用单数形式,其常用句型:,Thepopulationof+某地+is+数词,某地+hasapopulationof+数词,Ourtownhasapopulationof30,000.,我们镇有三万人口。,Thepopulationofourtownis30,000.,What/Howlargeisthepopulationofyourcountry?,Thepopulationofmycityisthreemillion.,当表示人口“多”或“少”时，不用much或little,用形容词large，big或small修饰population,Thetownhasalarge/big/smallpopulation.,当对人口数量进行提问时，,用疑问词what或howlarge,【运用】完成句子，每空一词。(1)这个国家人口少。Thecountry_.(2)我的家乡人口有100万。Myhometown_onemillion.(3)北京有多少人口？_Beijing?,hasasmallpopulation,hasapopulationof,Whatisthepopulationof,2.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。,asfarasIknow,“据我所知”,sofarasIknow,man-made,合成形容词,人造的,手工制作的,handmade,机制的,machine-made,1.TheseAmerican_areallinterestedintheSummerPalace.2.How_isthislake?About30m.ButImnotsure.3.The_ofthiscityis80,000,000.Wow,s